Efektivitas Ekstrak Umbi Gadung ( Dioscorea Hispida Dennst.) Terhadap Mortali…

Efforts to control pests in plant cultivation are recommended to use vegetable pesticides because they are not harmful to people or the environment. Gadung tubers (Dioscorea hispida) have potential as a vegetable pesticide. This research aims to obtain a concentration of gadung tuber extract that is effective in controlling corn armyworm pests. Observation parameters consist of initial time of …